Film processor transport roller end plug

Abstract

A film processor transport roller end plug for providing a liquid seal in a hollow film processor roller. The end plug characterized by having a tightened "O" ring inside the roller to provide a liquid seal and to retain the end plug therein.

What is claimed is: 
     
       1. A film processor transport roller end plug for providing a liquid seal in one end of a hollow film processor roller, the plug comprising: an annular hollow plug housing, the housing having a first end portion and a second end portion, the first end portion having an outer circumference adapted for engaging the inner circumference of the processor roller and receipt therein, the second end portion providing a bearing surface adapted for receiving a gear or the like thereon;   an annular core having one end received in the first end portion of the plug housing, the other end of the core having a cam surface therearound;   an "O" ring received around the cam surface of the core; and   a threaded screw received through the plug housing and engaging a threaded nut inside the core, the screw when tightened inside the threaded nut securing the core to the plug housing, the edge of the first end portion of the housing engaging the "O" ring and compressing it against the cam surface and against the inner circumference of the processor roller when the screw is tightened on the threaded nut providing a static seal and securing the plug to the hollow roller.   
     
     
       2. A film processor transport roller end plug for providing a liquid seal in one end of a hollow film processor roller, the plug comprising: an annular hollow plug housing, the housing having a first end portion and a second end portion, the first end portion having an outer circumference adapted for engaging the inner circumference of the processor roller and receipt therein;   an annular core having one end received in the first end portion of the plug housing, the other end of the core having a cam surface therearound;   an "O" ring received around the cam surface of the core; and   a threaded screw received through the plug housing and engaging a threaded nut inside the core, the screw when tightened inside the threaded nut securing the core to the plug housing, the edge of the first end portion of the housing engaging the "O" ring and compressing it against the cam surface and against the inner circumference of the processor roller when the screw is tightened on the threaded nut providing a static seal and securing the plug to the hollow roller.   
     
     
       3. The hollow end plug as described in claim 2 wherein the second end portion of the housing is a bearing surface for receiving a gear or the like thereon.